The narcissist self-supplies in order to avoid collapse and dysphoria or depression. This delusional solution renders him autoerotic and cerebral.
Plentiful external narcissistic supply results in resilient, ever more counterfactual siege and betrayal (but not shared) fantasies and residual libido rendering the narcissist somatic.
Narcissist’s Free, Reserved, and Residual Libido
https://samvak.tripod.com/msla7.html
Techniques of self-supply:
Future orientation (future generations will appreciate my legacy, I will be proven right)
Exclusive, privileged, or superior referents (only geniuses can understand my work)
Self-referential transcendence (I am hyper moral, strong, gifted, a martyr or victim)